What’s Vulnerable › Vulnerabilities

CVE-2017-18367

• Severity: high (CVSS 7.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-04-24 · updated 2026-06-17
• Weakness: CWE-20

Description

libseccomp-golang 0.9.0 and earlier incorrectly generates BPFs that OR multiple arguments rather than ANDing them. A process running under a restrictive seccomp filter that specified multiple syscall arguments could bypass intended access restrictions by specifying a single matching argument.

Affected products

• Libseccomp-Golang Project Libseccomp-Golang: through 0.9.0

References

• http://www.openwall.com/lists/oss-security/2019/04/25/6
• https://access.redhat.com/errata/RHSA-2019:4087
• https://access.redhat.com/errata/RHSA-2019:4090
• https://github.com/seccomp/libseccomp-golang/commit/06e7a29f36a34b8cf419aeb87b979ee508e58f9e
• https://github.com/seccomp/libseccomp-golang/issues/22
• https://lists.debian.org/debian-lts-announce/2020/08/msg00016.html
• https://usn.ubuntu.com/4574-1/
• http://www.openwall.com/lists/oss-security/2019/04/25/6
• https://access.redhat.com/errata/RHSA-2019:4087
• https://access.redhat.com/errata/RHSA-2019:4090
• https://github.com/seccomp/libseccomp-golang/commit/06e7a29f36a34b8cf419aeb87b979ee508e58f9e
• https://github.com/seccomp/libseccomp-golang/issues/22

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